Milk frother



FIG. is a top perspective view of a milk frother, showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is an enlarged plan view of its top surface; and,

FIG. 8 is an enlarged plan view of its bottom surface.

The broken lines in the drawings illustrate the portions of the milk frother, which form no part of the claimed design. 

CLAIM The ornamental design for a milk frother, as shown and described. 